Cullen, J., Knees, S., Cubey, H. S., & Shaw, J. M. H. (2011). The European garden flora, flowering plants: A manual for the identification of plants cultivated in Europe, both out-of-doors and under glass (Second edition.). Cambridge University Press.
Chicago Style (17th ed.) CitationCullen, J., Sabina Knees, H. Suzanne Cubey, and J. M. H. Shaw. The European Garden Flora, Flowering Plants: A Manual for the Identification of Plants Cultivated in Europe, Both Out-of-doors and Under Glass. Second edition. Cambridge ; New York: Cambridge University Press, 2011.
MLA (9th ed.) CitationCullen, J., et al. The European Garden Flora, Flowering Plants: A Manual for the Identification of Plants Cultivated in Europe, Both Out-of-doors and Under Glass. Second edition. Cambridge University Press, 2011.